package com.sishu.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.sishu.pojo.Difficulty;
import org.apache.ibatis.annotations.Select;

import java.util.List;


public interface DifficultyMapper extends BaseMapper<Difficulty> {

    @Select("select * from difficulty")
    List<Difficulty> selectall();

}
